The microscope has this graduated rotating stage.
This top insert allows the sample to be moved in the Y direction.
The top stage slides in these dovetail cutouts.
This Vernier scale precisely determines the rotation position of the sample.
The illuminating mirror is mounted to a descending shaft. It has two reflecting surfaces: plane and parabolic. Diameter = 5.5cm.
This lever tightens the compass joint to fix the microscope in any position.